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 *
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 * 1. Redistributions of source code must retain the above copyright notice, this list of conditions
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package org.openjdk.jmc.rcp.application;

import org.eclipse.core.runtime.IStatus;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.ui.statushandlers.AbstractStatusAreaProvider;
import org.eclipse.ui.statushandlers.StatusAdapter;
import org.eclipse.ui.statushandlers.StatusManager;
import org.eclipse.ui.statushandlers.WorkbenchErrorHandler;
import org.eclipse.ui.statushandlers.WorkbenchStatusDialogManager;

import org.openjdk.jmc.ui.misc.ExceptionDialog;

/**
 * Status handler that changes the default error handling behavior from opening an error dialog
 * while keeping keyboard focus on the main application to opening a modal error dialog that blocks
 * the application until the dialog is dismissed. The prime objective is to make sure that keyboard
 * focus moves to the dialog.
 */
public class BlockingWorkbenchErrorHandler extends WorkbenchErrorHandler {

	@Override
	public void handle(StatusAdapter statusAdapter, int style) {
		if ((style & StatusManager.SHOW) == StatusManager.SHOW) {
			style = style | StatusManager.BLOCK;
		}
		super.handle(statusAdapter, style);
	}

	@Override
	protected void configureStatusDialog(final WorkbenchStatusDialogManager statusDialog) {
		statusDialog.setDetailsAreaProvider(new StackTraceDetailsArea());
	}

	private static class StackTraceDetailsArea extends AbstractStatusAreaProvider {

		@Override
		public Control createSupportArea(Composite parent, StatusAdapter statusAdapter) {
			IStatus status = statusAdapter.getStatus();
			return ExceptionDialog.createDropDownText(parent, status.getException());
		}
	}
}
